/usr/include/nginterface_v2.hpp is in libnglib-dev 4.9.13.dfsg-8build2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 | #ifndef NGINTERFACE_V2
#define NGINTERFACE_V2
/**************************************************************************/
/* File: nginterface_v2.hpp */
/* Author: Joachim Schoeberl */
/* Date: May 09 */
/**************************************************************************/
/*
C++ interface to Netgen
*/
namespace netgen
{
class Ng_Element
{
class Ng_Points
{
public:
int num;
const int * ptr;
int Size() const { return num; }
int operator[] (int i) const { return ptr[i]-1; }
};
class Ng_Vertices
{
public:
int num;
const int * ptr;
int Size() const { return num; }
int operator[] (int i) const { return ptr[i]-1; }
};
class Ng_Edges
{
public:
int num;
const int * ptr;
int Size() const { return num; }
int operator[] (int i) const { return abs (ptr[i])-1; }
};
class Ng_Faces
{
public:
int num;
const int * ptr;
int Size() const { return num; }
int operator[] (int i) const { return (ptr[i]-1) / 8; }
};
public:
NG_ELEMENT_TYPE type;
NG_ELEMENT_TYPE GetType() const { return type; }
Ng_Points points; // all points
Ng_Vertices vertices;
Ng_Edges edges;
Ng_Faces faces;
};
template <int DIM>
DLL_HEADER int Ng_GetNElements ();
template <int DIM>
DLL_HEADER Ng_Element Ng_GetElement (int nr);
class Ng_Point
{
public:
double * pt;
double operator[] (int i)
{ return pt[i]; }
};
DLL_HEADER Ng_Point Ng_GetPoint (int nr);
template <int DIM> class Ng_Node;
template <>
class Ng_Node<1>
{
class Ng_Vertices
{
public:
const int * ptr;
int Size() const { return 2; }
int operator[] (int i) const { return ptr[i]-1; }
};
public:
Ng_Vertices vertices;
};
template <>
class Ng_Node<2>
{
class Ng_Vertices
{
public:
int nv;
const int * ptr;
int Size() const { return nv; }
int operator[] (int i) const { return ptr[i]-1; }
};
class Ng_Edges
{
public:
int ned;
const int * ptr;
int Size() const { return ned; }
int operator[] (int i) const { return ptr[i]-1; }
};
public:
Ng_Vertices vertices;
Ng_Edges edges;
};
template <int DIM>
DLL_HEADER Ng_Node<DIM> Ng_GetNode (int nr);
template <int DIM>
DLL_HEADER int Ng_GetNNodes ();
/// Curved Elements:
/// xi..... DIM_EL local coordinates
/// sxi ... step xi
/// x ..... DIM_SPACE global coordinates
/// dxdxi...DIM_SPACE x DIM_EL Jacobian matrix (row major storage)
template <int DIM_EL, int DIM_SPACE>
DLL_HEADER void Ng_MultiElementTransformation (int elnr, int npts,
const double * xi, size_t sxi,
double * x, size_t sx,
double * dxdxi, size_t sdxdxi);
template <int DIM>
DLL_HEADER int Ng_GetElementIndex (int nr);
}
#endif
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